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The Week in Botany 183

January 18, 2021

I'm hoping this week you'll be getting the full email of the links shared by people following @botanyone on Twitter. I'm compiling this over a couple of days. It's a difficult week, news-wise with not a lot of botanical news shared, but of all the political problems at the moment, that's got to be the lowest priority.
As a tip, if you're going to tweet a paper, and you want to improve your altmetric score, make sure the link to the paper is at the start of the twitter chain. This tweet has over 60 retweets, but the paper only has an altmetric score of 2. That's because the link to the paper is in a later tweet that didn't get retweeted, because naturally people want to share the start of the discussion.
Another email will be with you next week. Until then, stay safe.
Alun (webmaster@botany.one)

From Botany One

Coordination of leaf water supply and demand in aquatic and land plants
Is there a difference between emergent aquatic and terrestrial monocot herbs when it comes to coordination of leaf stomatal and vein traits?

Slippery flowers help deter nectar-stealing ants
A wax crystal coating causes ants to slip off, while hornet and bee pollinators can fly right in.

Chromosomal changes more important than niche differentiation in a Pulmonaria hybrid
The locally abundant hybrid species is well-defined, but shows weak niche differentiation from its progenitors.

Origins of symmetry, an exploration of flower development in Canna indica
Can a detailed genetic study provide insight into the developmental process of assymetric flowers?

Call for a new paradigm for crop improvement
The use of mechanistic crop models can optimize the efficiency of breeding programs.

Urban environments and climate change: how do we choose resilient urban trees for the future?
On a hot day in the city, the shade under a leafy tree can be a welcome relief from the sun. But what trees are the best trees?



News and Views

Paris agrees to turn Champs-Élysées into 'extraordinary garden'
Mayor Anne Hidalgo gives green light to £225m-scheme to transform French capital’s most famous avenue
The Guardian

International Max Planck Research School
Detlef Weigel has two PhD positions open. 'Long-read assemblies of plant genomes and pan-genome graphs' and 'Functional analyses of plant microbes and their interactions with the host plant'.
Detlef Weigel

Post-doctorat - Laboratory "Reproduction des Plantes" (H/F)
Gwyneth Ingram from the Seed Dev team @RDPlab is recruiting a 2 year post-doc to work on endosperm cell elimination.
Portail Emploi CNRS

Hiring Field Technicians for 2021 Field Season
Eight to twelve field technicians are wanted to work at the Teakettle Experimental Forest for the 2021 summer field season. The Teakettle Experimental Forest is a 1300 ha old-growth, mixed-conifer forest located 80 km east of Fresno, CA in the southern Sierra Nevada. The 2021 field season will focus on collecting pretreatment data for a catchment wide prescribed burn that will be implemented in the fall of 2021.
The Earth Systems Ecology Lab

Table of Contents — January 12, 2021, 118 (2)
PNAS had a special feature this week, 'Insect decline in the Anthropocene: Death by a thousand cuts'.
PNAS

How to include Indigenous researchers and their knowledge
Researchers from Native American and Indigenous communities explain how colleagues and institutions can help them to battle marginalization.
Nature

PhD candidate VIDI 'Flowering time genes branching out'
Wageningen University are looking for an enthusiastic and highly motivated PhD student to work on the link between flowering time, plant architecture and yield in temperate cereals, barley and wheat.
Wageningen University



Scientific Papers

Opinion: Eight simple actions that individuals can take to save insects from global declines
To help individuals broaden participation in the conservation of insects and to promote the adoption of behaviors and habits expected to mitigate insect declines, Kawahara et al. propose eight simple actions, most with immediate impact, that many people can undertake on their own, regardless of background, occupation, or geographic location.
PNAS

Genomic Analyses of Phenotypic Differences Between Native and Invasive Populations of Diffuse Knapweed (Centaurea diffusa)
Turner et al. have assembled the first draft genome reference and fully annotated plastome assembly for Centaurea diffusa, and one of the first from this large, weedy, genus, which is of major ecological and economic importance.
Frontiers in Ecology and Evolution

Single-cell RNA sequencing of developing maize ears facilitates functional analysis and trait candidate gene discovery
Xu et al. investigated the transcriptional profiles of 12,525 single cells from developing maize ears. The resulting developmental atlas provides a single-cell RNA sequencing (scRNA-seq) map of an inflorescence.
Developmental Cell

Quantitative dissection of color patterning in the foliar ornamental Coleus reveals underlying features driving aesthetic value
Using a new phenotyping approach called “ColourQuant,” Li et al. extract and analyze pigmentation patterns from one of the largest coleus breeding populations in the world. Working with this massive dataset, they are able to analyze quantitative relationships between maternal plants and their progeny, identify features that underlie breeder-selections, and collect and compare consumer input on trait preferences.
bioRxiv

Coordination between microbiota and root endodermis supports plant mineral nutrient homeostasis
The root provides mineral nutrients and water to the plant. Diffusion barriers seal the root, preventing the loss of internal water and nutrients. Salas-González et al. found that microbes living on and in roots of the model plant Arabidopsis thaliana influence diffusion. barrier formation, which affects the balance of mineral nutrients in the plant
Science

Unexplored dimensions of variability in vegetative desiccation tolerance
Marks et al. discuss the natural variation in desiccation tolerance and argue that leveraging this diversity can improve our mechanistic understanding of desiccation tolerance. They summarize information collected from ~600 desiccation‐tolerant land plants and discuss the taxonomic distribution and physiology of desiccation responses.
American Journal of Botany

Plant roots sense soil compaction through restricted ethylene diffusion
It's tough to drive a spade through compacted soil, and plant roots seem to have the same problem when growing in compacted ground. Pandey et al. found that the problem is not, however, one of physical resistance but rather inhibition of growth through a signaling pathway.
Science

Crop cover is more important than rotational diversity for soil multifunctionality and cereal yields in European cropping systems
Garland et al. assessed the impact of crop diversification on soil microbial diversity, soil multifunctionality (SMF) and crop yields in 155 cereal fields across a 3,000 km north–south European gradient. Overall, crop diversity showed a relatively minor effect on soil microbial diversity, SMF and yields. In contrast, the proportion of time with crop cover (including cash crops, cover crops or forage leys) during the past ten-year crop rotation had a much stronger impact.
Nature Food

Tree death and damage: a standardized protocol for frequent surveys in tropical forests
Arellano et al. present a field protocol to assess tree mortality in tropical forests. The protocol focuses on the rapid, repeatable and inexpensive assessment of individual tree death and damage. The protocol has been successfully tested with annual assessments of >62,000 stems in total in several ForestGEO plots in Asia and the Neotropics.
Journal of Vegetation


     

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